added --ascii and SERVICED_TREE_ASCII for putty; use spaces when outputt...

...ing to non-tty

ISSUE:
```
# plu@plu-9: ./serviced service list  | grep zenpython
  │   └─zenpython   ehg2kjc45tbwg7a0h6c4hnxqq   1   .../euuygi0.../devimg       default     0   auto    HBase
# plu@plu-9: ./serviced service list  | awk '/zenpython/{print $2}'
└─zenpython
```

FIX:
```
# plu@plu-9: ./serviced service list | grep zenpython
        zenpython	ehg2kjc45tbwg7a0h6c4hnxqq	1	.../euuygi0.../devimg		default		0	auto	HBase
# plu@plu-9: ./serviced service list | awk '/zenpython/{print $2}'
ehg2kjc45tbwg7a0h6c4hnxqq
```

DEMO1:
```
# plu@plu-9: ./serviced service list 
NAME			SERVICEID			INST	IMAGEID				POOL		DSTATE	LAUNCH	DEPID
└─Zenoss.core		euuygi078fwpgw6v3chubpu7p	0					default		0	auto	HBase
  ├─MetricShipper	1nk6hh1dd2unau7kka91262ix	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─MySQL		2k5rrsvoy5fpl3fxqm8qvkec7	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─localhost		3vj3m1qp5ntt8koctdftw5hg0	0					default		0	auto	HBase
  │ ├─zenhub		b37a5xezfskz6pa02xjlytzp4	1	.../euuygi0.../devimg		default		0	auto	HBase
  │ └─localhost		u0b5ehx1q67dghqyjx7w3b84	0					default		0	auto	HBase
  │   ├─zensyslog	25s0duwqc7t50ppg2jbpf48bp	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zencommand	3yecsjtq3b7zbq0aewvswqwvp	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zenprocess	4de86boou4zj40s0x77z4tflb	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zenperfsnmp	4vz0zijkfrddt2mhwhb2m87dg	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zenstatus	alv66uiatyl62k5jjp0904ur0	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zentrap		azl54cyq7cgymno5dyeuv4dlq	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zenmodeler	bxt317uon8er4lrbb4pthvjal	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zenping		dtwg0bj50hiuq53zi1z7j3ra	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   ├─zenjmx		duscgbqtkmfecgi9jwixl8dd8	1	.../euuygi0.../devimg		default		0	auto	HBase
  │   └─zenpython	ehg2kjc45tbwg7a0h6c4hnxqq	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─zproxy		4eesgsfmo3duhcria0f51dz1p	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─Zauth		6ii5vtd0ybv2atamqhc96zq02	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─Zope		7dk1szg6xoiin4stoa082l8k3	2	.../euuygi0.../devimg		default		0	auto	HBase
  ├─memcached		92mfbts4yy3m8lbrvm54zg72f	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─zenactiond		99jiuis7l3coqbu3zqezi93pj	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─zeneventd		9ca56007ft9ptsfgrt7o0rb04	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─zenjobs		ae253x2q0t5kxzon8lq2oluzx	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─MetricConsumer	aefln3czagm5gbxtk3ekzn46w	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─zeneventserver	bc2ls1t863jl1lquds05hl577	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─CentralQuery	bs49b6qegpxmuydwfr5njhih8	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─RabbitMQ		cbf0mcplo75bh66d3fyo893as	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─redis		df56nq0r3bkh4zjm1lmtxhjb4	1	.../euuygi0.../devimg		default		0	auto	HBase
  ├─HBase		di9n3i4gebreiaatpo8oyiqbq	0					default		0	auto	HBase
  │ ├─HMaster		1qx19iy7moztyjfc1bhtsv44u	1	.../euuygi0.../hbase		default		0	auto	HBase
  │ ├─RegionServer	e79tuq0rodw2qbxamvc1h71oe	3	.../euuygi0.../hbase		default		0	auto	HBase
  │ └─ZooKeeper		ht7npvo0jzch9z8a2tw38nzj	3	.../euuygi0.../hbase		default		0	auto	HBase
  └─opentsdb		efpqe3fdpejeguwdax93m0sl7	0					default		0	auto	HBase
    ├─writer		10zwwnd2dvc0otrkh7ql0y8ek	1	.../euuygi0.../opentsdb		default		0	auto	HBase
    └─reader		38g29nc01yvrlvkwstzr0xci0	1	.../euuygi0.../opentsdb		default		0	auto	HBase
```

DEMO2:
```
# plu@plu-9: ./serviced service list --ascii
NAME			SERVICEID			INST	IMAGEID				POOL		DSTATE	LAUNCH	DEPID
+-Zenoss.core		euuygi078fwpgw6v3chubpu7p	0					default		0	auto	HBase
  |-MetricShipper	1nk6hh1dd2unau7kka91262ix	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-MySQL		2k5rrsvoy5fpl3fxqm8qvkec7	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-localhost		3vj3m1qp5ntt8koctdftw5hg0	0					default		0	auto	HBase
  | |-zenhub		b37a5xezfskz6pa02xjlytzp4	1	.../euuygi0.../devimg		default		0	auto	HBase
  | +-localhost		u0b5ehx1q67dghqyjx7w3b84	0					default		0	auto	HBase
  |   |-zensyslog	25s0duwqc7t50ppg2jbpf48bp	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zencommand	3yecsjtq3b7zbq0aewvswqwvp	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenprocess	4de86boou4zj40s0x77z4tflb	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenperfsnmp	4vz0zijkfrddt2mhwhb2m87dg	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenstatus	alv66uiatyl62k5jjp0904ur0	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zentrap		azl54cyq7cgymno5dyeuv4dlq	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenmodeler	bxt317uon8er4lrbb4pthvjal	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenping		dtwg0bj50hiuq53zi1z7j3ra	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenjmx		duscgbqtkmfecgi9jwixl8dd8	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   +-zenpython	ehg2kjc45tbwg7a0h6c4hnxqq	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zproxy		4eesgsfmo3duhcria0f51dz1p	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-Zauth		6ii5vtd0ybv2atamqhc96zq02	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-Zope		7dk1szg6xoiin4stoa082l8k3	2	.../euuygi0.../devimg		default		0	auto	HBase
  |-memcached		92mfbts4yy3m8lbrvm54zg72f	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zenactiond		99jiuis7l3coqbu3zqezi93pj	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zeneventd		9ca56007ft9ptsfgrt7o0rb04	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zenjobs		ae253x2q0t5kxzon8lq2oluzx	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-MetricConsumer	aefln3czagm5gbxtk3ekzn46w	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zeneventserver	bc2ls1t863jl1lquds05hl577	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-CentralQuery	bs49b6qegpxmuydwfr5njhih8	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-RabbitMQ		cbf0mcplo75bh66d3fyo893as	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-redis		df56nq0r3bkh4zjm1lmtxhjb4	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-HBase		di9n3i4gebreiaatpo8oyiqbq	0					default		0	auto	HBase
  | |-HMaster		1qx19iy7moztyjfc1bhtsv44u	1	.../euuygi0.../hbase		default		0	auto	HBase
  | |-RegionServer	e79tuq0rodw2qbxamvc1h71oe	3	.../euuygi0.../hbase		default		0	auto	HBase
  | +-ZooKeeper		ht7npvo0jzch9z8a2tw38nzj	3	.../euuygi0.../hbase		default		0	auto	HBase
  +-opentsdb		efpqe3fdpejeguwdax93m0sl7	0					default		0	auto	HBase
    |-writer		10zwwnd2dvc0otrkh7ql0y8ek	1	.../euuygi0.../opentsdb		default		0	auto	HBase
    +-reader		38g29nc01yvrlvkwstzr0xci0	1	.../euuygi0.../opentsdb		default		0	auto	HBase
```

DEMO3:
```
# plu@plu-9: SERVICED_TREE_ASCII=true ./serviced service list 
NAME			SERVICEID			INST	IMAGEID				POOL		DSTATE	LAUNCH	DEPID
+-Zenoss.core		euuygi078fwpgw6v3chubpu7p	0					default		0	auto	HBase
  |-MetricShipper	1nk6hh1dd2unau7kka91262ix	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-MySQL		2k5rrsvoy5fpl3fxqm8qvkec7	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-localhost		3vj3m1qp5ntt8koctdftw5hg0	0					default		0	auto	HBase
  | |-zenhub		b37a5xezfskz6pa02xjlytzp4	1	.../euuygi0.../devimg		default		0	auto	HBase
  | +-localhost		u0b5ehx1q67dghqyjx7w3b84	0					default		0	auto	HBase
  |   |-zensyslog	25s0duwqc7t50ppg2jbpf48bp	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zencommand	3yecsjtq3b7zbq0aewvswqwvp	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenprocess	4de86boou4zj40s0x77z4tflb	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenperfsnmp	4vz0zijkfrddt2mhwhb2m87dg	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenstatus	alv66uiatyl62k5jjp0904ur0	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zentrap		azl54cyq7cgymno5dyeuv4dlq	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenmodeler	bxt317uon8er4lrbb4pthvjal	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenping		dtwg0bj50hiuq53zi1z7j3ra	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   |-zenjmx		duscgbqtkmfecgi9jwixl8dd8	1	.../euuygi0.../devimg		default		0	auto	HBase
  |   +-zenpython	ehg2kjc45tbwg7a0h6c4hnxqq	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zproxy		4eesgsfmo3duhcria0f51dz1p	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-Zauth		6ii5vtd0ybv2atamqhc96zq02	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-Zope		7dk1szg6xoiin4stoa082l8k3	2	.../euuygi0.../devimg		default		0	auto	HBase
  |-memcached		92mfbts4yy3m8lbrvm54zg72f	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zenactiond		99jiuis7l3coqbu3zqezi93pj	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zeneventd		9ca56007ft9ptsfgrt7o0rb04	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zenjobs		ae253x2q0t5kxzon8lq2oluzx	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-MetricConsumer	aefln3czagm5gbxtk3ekzn46w	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-zeneventserver	bc2ls1t863jl1lquds05hl577	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-CentralQuery	bs49b6qegpxmuydwfr5njhih8	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-RabbitMQ		cbf0mcplo75bh66d3fyo893as	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-redis		df56nq0r3bkh4zjm1lmtxhjb4	1	.../euuygi0.../devimg		default		0	auto	HBase
  |-HBase		di9n3i4gebreiaatpo8oyiqbq	0					default		0	auto	HBase
  | |-HMaster		1qx19iy7moztyjfc1bhtsv44u	1	.../euuygi0.../hbase		default		0	auto	HBase
  | |-RegionServer	e79tuq0rodw2qbxamvc1h71oe	3	.../euuygi0.../hbase		default		0	auto	HBase
  | +-ZooKeeper		ht7npvo0jzch9z8a2tw38nzj	3	.../euuygi0.../hbase		default		0	auto	HBase
  +-opentsdb		efpqe3fdpejeguwdax93m0sl7	0					default		0	auto	HBase
    |-writer		10zwwnd2dvc0otrkh7ql0y8ek	1	.../euuygi0.../opentsdb		default		0	auto	HBase
    +-reader		38g29nc01yvrlvkwstzr0xci0	1	.../euuygi0.../opentsdb		default		0	auto	HBase
```